Seismic readings of the interior of Mars strongly suggest large quantities of water buried 6 to 12 miles underground.

Currently, eight missions from the U.S., European Union, Russia, and India are actively orbiting Mars or roving across its surface. But getting safely to the red planet is no small feat.

"Mars is still the Red Planet. It’s just that our understanding of why Mars is red has been transformed." Mars is widely known for its iconic rusty red color — many people even refer to it as ...

Researchers have discovered evidence of a ‘vacation-style’ environment on the Red Planet, despite there being no visible liquid on the surface of Mars today. An international team of ...

For years, scientists suspected that Mars got its red color from hematite, a form of iron oxide, or rust, that contains no water and therefore must have formed after the planet lost its liquid ...